package com.ruoyi.framework.web.service;

import cn.hutool.core.util.RandomUtil;
import com.ruoyi.common.constant.UserDefaultConstants;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.utils.sms.AliyunSmsService;
import com.ruoyi.common.utils.uuid.IdUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.ruoyi.common.constant.CacheConstants;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.constant.UserConstants;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.RegisterBody;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.exception.user.CaptchaException;
import com.ruoyi.common.exception.user.CaptchaExpireException;
import com.ruoyi.common.utils.MessageUtils;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.manager.AsyncManager;
import com.ruoyi.framework.manager.factory.AsyncFactory;
import com.ruoyi.system.service.ISysConfigService;
import com.ruoyi.system.service.ISysUserService;

import java.util.Objects;
import java.util.concurrent.TimeUnit;

/**
 * 注册校验方法
 * 
 * @author ruoyi
 */
@Component
@Slf4j
public class SysRegisterService
{
    @Autowired
    private ISysUserService userService;

    @Autowired
    private ISysConfigService configService;

    @Autowired
    private RedisCache redisCache;

    //判断用户是否存在
    public String isRegister(String phone)
    {
        if (StringUtils.isEmpty(phone))
        {
            return "手机号不能为空";
        }

        if (!userService.checkUserNameUnique(new SysUser(phone)))
        {
            log.info("登录用户：{} 已经存在存在.", phone);
            return "该手机号已经注册";
        }

        return null;
    }

    /**
     * @desc  重置密码
     * @author fwx 2024/1/19 9:36
     **/
    public void resetPassword(RegisterBody body){


        String username = body.getUsername();
        String password = body.getPassword();

        SysUser sysUser = userService.selectUserByUserName(username);

        if(sysUser == null){
            throw new RuntimeException("用户不存在,请先注册用户");
        }

        // 验证验证码
        String verifyKey = CacheConstants.PHONE_RESET_CODE_KEY + ":" + username;
        String retCode = redisCache.getCacheObject(verifyKey);
        if(!Objects.equals(retCode,body.getPhoneCode())){
            throw new RuntimeException("手机验证码过期或不正确");
        }

        //修改密码
        sysUser.setPassword(SecurityUtils.encryptPassword(password));
        userService.resetPwd(sysUser);
        redisCache.deleteObject(verifyKey);
    }

    //发送手机验证码
    public void sendSmsCode(String phone,Integer type)
    {

        // 保存验证码信息
        String verifyKey = null;

        if(type == 1){
            verifyKey = CacheConstants.PHONE_REGISTER_CODE_KEY + ":" + phone;
        }else if (type == 2){
            verifyKey = CacheConstants.PHONE_RESET_CODE_KEY + ":" + phone;
        }else {
            throw new RuntimeException("消息类型错误");
        }

        String retCode = redisCache.getCacheObject(verifyKey);

        if(StringUtils.isNotNull(retCode)){
            log.info("{}验证码已经发送",phone);
            return;
        }

        String code = RandomUtil.randomNumbers(4);

        if(type == 1){
            AliyunSmsService.sendRegisterCode(phone,code);
        }else if (type == 2){
            AliyunSmsService.sendResetCode(phone,code);
        }else {
            throw new RuntimeException("消息类型错误");
        }

        redisCache.setCacheObject(verifyKey, code, Constants.PHONE_EXPIRATION, TimeUnit.MINUTES);
    }



    /**
     * 注册
     */
    public String register(RegisterBody registerBody)
    {
        String msg = "", username = registerBody.getUsername(), password = registerBody.getPassword();
        SysUser sysUser = new SysUser();
        sysUser.setUserName(username);

        // 保存验证码信息
        String verifyKey = CacheConstants.PHONE_REGISTER_CODE_KEY + ":" + username;

        String retCode = redisCache.getCacheObject(verifyKey);

        if(!Objects.equals(retCode,registerBody.getPhoneCode())){
            throw new RuntimeException("手机验证码过期或不正确");
        }

        // 图片验证码开关
        boolean captchaEnabled = configService.selectCaptchaEnabled();
        if (captchaEnabled)
        {
            validateCaptcha(username, registerBody.getCode(), registerBody.getUuid());
        }

        if (StringUtils.isEmpty(username))
        {
            msg = "用户名不能为空";
        }
        else if (StringUtils.isEmpty(password))
        {
            msg = "用户密码不能为空";
        }
        else if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH)
        {
            msg = "账户长度必须在2到20个字符之间";
        }
        else if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH)
        {
            msg = "密码长度必须在5到20个字符之间";
        }
        else if (!userService.checkUserNameUnique(sysUser))
        {
            msg = "保存用户'" + username + "'失败，注册账号已存在";
        }
        else
        {
            sysUser.setNickName(username);
            sysUser.setPassword(SecurityUtils.encryptPassword(password));
            sysUser.setDeptId(UserDefaultConstants.PARK_USER_DEPT_ID);
            sysUser.setRoleIds(new Long[]{UserDefaultConstants.PARK_USER_ROLE_ID});
            boolean regFlag = userService.registerUser(sysUser);

            // 新增用户与角色管理
            userService.insertUserRole(sysUser);

            if (!regFlag)
            {
                msg = "注册失败,请联系系统管理人员";
            }
            else
            {
                redisCache.deleteObject(verifyKey);
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.REGISTER, MessageUtils.message("user.register.success")));
            }
        }
        return msg;
    }



    /**
     * 校验验证码
     * 
     * @param username 用户名
     * @param code 验证码
     * @param uuid 唯一标识
     * @return 结果
     */
    public void validateCaptcha(String username, String code, String uuid)
    {
        String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + StringUtils.nvl(uuid, "");
        String captcha = redisCache.getCacheObject(verifyKey);
        redisCache.deleteObject(verifyKey);
        if (captcha == null)
        {
            throw new CaptchaExpireException();
        }
        if (!code.equalsIgnoreCase(captcha))
        {
            throw new CaptchaException();
        }
    }
}
